<template>
  <div class="loginBg">
    <img src="~@/assets/imgs/login_bg.jpg" style="width: 100%; height: 100%" alt="">
    <!--<div class="center">
      <div class="mountains"></div>
      <div class="train">
        <div class="engine-front">
          <div class="chimney">
            <div class="smoke"></div>
            <div class="smoke smoke-2"></div>
            <div class="smoke smoke-3"></div>
            <div class="smoke smoke-4"></div>
          </div>
        </div>

        <div class="engine-body"></div>

        <div class="compartment">
          <div class="compartment-window"></div>
        </div>

        <div class="compartment compartment-two">
          <div class="compartment-window"></div>
        </div>

        <div class="compartment compartment-three">
          <div class="compartment-window"></div>
        </div>

        <div class="wheel-holder">
          <div class="wheel"></div>
          <div class="wheel wheel-2">
            <div class="wheel-joint"></div>
            <div class="wheel-joint wheel-joint-2"></div>
          </div>
          <div class="wheel wheel-3"></div>
          <div class="wheel wheel-4"></div>
          <div class="wheel wheel-5"></div>
          <div class="wheel wheel-6"></div>
          <div class="wheel wheel-7"></div>
          <div class="wheel wheel-8"></div>
          <div class="wheel wheel-9"></div>
        </div>
      </div>
      <div class="bridge"></div>
    </div>-->
  </div>
</template>

<script>
  export default {
    name: 'loginBg'
  }
</script>

<style lang="scss" scoped>
  @import url("https://fonts.googleapis.com/css?family=Ubuntu:400,400i,700,700i");
  *, *:before, *:after {
    margin: 0;
    padding: 0;
    word-break: break-all;
    box-sizing: border-box;
  }

  html {
    font-size: 10px;
  }

  body {
    font-family: 'Ubuntu', sans-serif;
    color: #6e6e6e;
    font-size: 1.6rem;
  }

  header, footer {
    display: block;
  }

  a, a:link, a:visited {
    color: #4d4d4d;
    text-decoration: none;
  }

  img {
    border: 0;
  }

  ul {
    list-style: none;
  }
.loginBg {
  height: 100%;
  width: 100%;
  overflow: hidden;
}
  .center {
    background: #000c18;
    background: -webkit-linear-gradient(#013971, #000c18 60%);
    background: -moz-linear-gradient(#013971, #000c18 60%);
    background: -o-linear-gradient(#013971, #000c18 60%);
    background: -ms-linear-gradient(#013971, #000c18 60%);
    background: linear-gradient(#013971, #000c18 60%);
    height: 100%;
    margin: auto;
    overflow: hidden;
    position: relative;
    width: 100%;
  }
  .center::before, .center::after {
    content: "";
    position: absolute;
  }
  .center::before {
    background: rgba(255, 250, 175, 0.8);
    border-radius: 50%;
    box-shadow: 0 0 3rem 0 rgba(255, 250, 175, 0.5);
    height: 16rem;
    left: 20%;
    top: -4rem;
    width: 16rem;
  }
  .center::after {
    background: -moz-radial-gradient(circle, rgba(255, 255, 255, 0.3), transparent 5%) left/14rem 15rem, radial-gradient(circle, rgba(255, 255, 255, 0.4), transparent 3%) left/10rem 9rem;
    background: -webkit-radial-gradient(circle, rgba(255, 255, 255, 0.3), transparent 5%) left/14rem 15rem, radial-gradient(circle, rgba(255, 255, 255, 0.4), transparent 3%) left/10rem 9rem;
    background: -o-radial-gradient(circle, rgba(255, 255, 255, 0.3), transparent 5%) left/14rem 15rem, radial-gradient(circle, rgba(255, 255, 255, 0.4), transparent 3%) left/10rem 9rem;
    background: -ms-radial-gradient(circle, rgba(255, 255, 255, 0.3), transparent 5%) left/14rem 15rem, radial-gradient(circle, rgba(255, 255, 255, 0.4), transparent 3%) left/10rem 9rem;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3), transparent 5%) left/14rem 15rem, radial-gradient(circle, rgba(255, 255, 255, 0.4), transparent 3%) left/10rem 9rem;
    height: 100%;
    width: 100%;
  }

  .mountains {
    height: 100%;
    position: absolute;
    width: 100%;
    z-index: 1;
  }
  .mountains::before, .mountains::after {
    background: #000c18;
    background: -moz-linear-gradient(#012a53, #000c18 50%);
    background: -webkit-linear-gradient(#012a53, #000c18 50%);
    background: -o-linear-gradient(#012a53, #000c18 50%);
    background: -ms-linear-gradient(#012a53, #000c18 50%);
    background: linear-gradient(#012a53, #000c18 50%);
    content: "";
    height: 100%;
    position: absolute;
  }
  .mountains::before {
    border-radius: 100% 300% 0 0;
    left: -20%;
    width: 57%;
  }
  .mountains::after {
    border-radius: 300% 100% 0 0;
    right: -20%;
    width: 80%;
  }

  .bridge {
    border-bottom: 0.3rem solid white;
    border-top: 0.3rem solid white;
    background: black;
    background: -webkit-linear-gradient(55deg, transparent 46%, white 46%, white 54%, transparent 54%) left/1.6rem 2.2rem, -webkit-linear-gradient(-55deg, transparent 46%, white 46%, white 54%, transparent 54%) left/1.6rem 2.2rem;
    background: -moz-linear-gradient(55deg, transparent 46%, white 46%, white 54%, transparent 54%) left/1.6rem 2.2rem, -moz-linear-gradient(-55deg, transparent 46%, white 46%, white 54%, transparent 54%) left/1.6rem 2.2rem;
    background: -o-linear-gradient(55deg, transparent 46%, white 46%, white 54%, transparent 54%) left/1.6rem 2.2rem, -o-linear-gradient(-55deg, transparent 46%, white 46%, white 54%, transparent 54%) left/1.6rem 2.2rem;
    background: -ms-linear-gradient(55deg, transparent 46%, white 46%, white 54%, transparent 54%) left/1.6rem 2.2rem, -ms-linear-gradient(-55deg, transparent 46%, white 46%, white 54%, transparent 54%) left/1.6rem 2.2rem;
    background: linear-gradient(55deg, transparent 46%, white 46%, white 54%, transparent 54%) left/1.6rem 2.2rem, linear-gradient(-55deg, transparent 46%, white 46%, white 54%, transparent 54%) left/1.6rem 2.2rem;
    bottom: 3px;
    height: 2.6rem;
    position: absolute;
    width: 100%;
    z-index: 1;
  }

  .train {
    animation: move-train 24s linear infinite;
    bottom:45px;
    height: 10rem;
    position: absolute;
    left: calc(100% + 1.3rem);
    width: 44rem;
    z-index: 1;
  }

  .engine-front, .engine-front::before, .engine-front::after {
    background: #0f0f0f;
    background: linear-gradient(0deg, #0f0f0f, #262626, #0f0f0f);
    border: 0.1rem solid rgba(255, 255, 255, 0.15);
    border-radius: 50% 0 0 50%;
    border-right: none;
  }

  .engine-front {
    animation: body-upDown 0.3s infinite;
    border-radius: 0.5rem 0 0 0.5rem;
    bottom: 1.4rem;
    height: 4.6rem;
    left: 0;
    position: absolute;
    width: 8rem;
  }
  .engine-front::before, .engine-front::after {
    content: "";
    position: absolute;
    height: 70%;
    left: -0.9rem;
    top: 50%;
    transform: translate(0, -50%);
    width: 0.8rem;
  }
  .engine-front::after {
    height: 40%;
    left: -1.4rem;
    width: 0.5rem;
  }

  .chimney {
    background: #990000;
    height: 2.2rem;
    left: 2.5rem;
    position: absolute;
    top: -2.3rem;
    width: 1.7rem;
  }
  .chimney::before, .chimney::after {
    content: "";
    position: absolute;
  }
  .chimney::before {
    animation: up-down 0.3s infinite;
    border-bottom: none;
    border-left: 0.5rem solid transparent;
    border-right: 0.5rem solid transparent;
    border-top: 0.8rem solid orange;
    left: 50%;
    top: -0.9rem;
    transform: translate(-50%, 0);
    width: 160%;
  }

  .smoke {
    animation: move-smoke 0.4s linear infinite;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    height: 1.4rem;
    left: 0.2rem;
    position: absolute;
    top: -1.5rem;
    width: 0.8rem;
    z-index: -1;
  }
  .smoke-2 {
    animation-delay: 0.1s;
    left: 0.4rem;
  }
  .smoke-3 {
    animation-delay: 0.2s;
    left: 0.6rem;
  }
  .smoke-4 {
    left: 0.8rem;
  }

  .engine-body {
    animation: body-upDown 0.3s 0.1s infinite;
    background: #b30000;
    background: linear-gradient(0deg, #330000, red, #990000);
    border-radius: 0 0 0.4rem 0;
    bottom: 1.4rem;
    height: 7rem;
    left: 8rem;
    position: absolute;
    width: 5rem;
  }
  .engine-body::before, .engine-body::after {
    content: "";
    left: 50%;
    position: absolute;
    transform: translate(-50%, 0);
  }
  .engine-body::before {
    animation: up-down 0.3s 0.2s infinite;
    background: #660000;
    background: linear-gradient(0deg, #660000, #990000, #660000);
    border-radius: 50% 50% 0 0;
    height: 1.2rem;
    top: -1.2rem;
    width: 130%;
  }
  .engine-body::after {
    background: #b3e0f2;
    border-radius: 0.2rem;
    height: 40%;
    top: 1rem;
    width: 45%;
  }

  .wheel::before, .wheel::after {
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
  }

  .wheel-holder {
    height: 2.8rem;
    bottom: 0;
    position: absolute;
    width: 100%;
  }

  .wheel {
    animation: rotate 2s linear infinite;
    background: orange;
    border: 0.3rem solid rgba(0, 0, 0, 0.6);
    border-radius: 50%;
    height: 2.8rem;
    left: 1rem;
    position: absolute;
    width: 2.8rem;
  }
  .wheel-2 {
    left: 4.5rem;
  }
  .wheel-3 {
    border-width: 0.5rem;
    height: 3.8rem;
    left: 8.7rem;
    top: -1.1rem;
    width: 3.8rem;
  }
  .wheel-4 {
    left: 15.7rem;
  }
  .wheel-5 {
    left: 19.5rem;
  }
  .wheel-6 {
    left: 25.7rem;
  }
  .wheel-7 {
    left: 29.5rem;
  }
  .wheel-8 {
    left: 35.7rem;
  }
  .wheel-9 {
    left: 39.5rem;
  }
  .wheel::before, .wheel::after {
    content: "";
    position: absolute;
  }
  .wheel::before {
    background: rgba(0, 0, 0, 0.3);
    height: 86%;
    width: 0.2rem;
  }
  .wheel::after {
    background: #996300;
    background: -webkit-radial-gradient(circle at center, #b37400 30%, #996300 30%);
    background: -moz-radial-gradient(circle at center, #b37400 30%, #996300 30%);
    background: -o-radial-gradient(circle at center, #b37400 30%, #996300 30%);
    background: -ms-radial-gradient(circle at center, #b37400 30%, #996300 30%);
    background: radial-gradient(circle at center, #b37400 30%, #996300 30%);
    border-radius: 50%;
    height: 40%;
    width: 40%;
  }

  .compartment {
    animation: body-upDown 0.3s infinite;
    background: #186c8e;
    background: -webkit-linear-gradient(#104b63 50%, #1f8dba);
    background: -moz-linear-gradient(#104b63 50%, #1f8dba);
    background: -o-linear-gradient(#104b63 50%, #1f8dba);
    background: -ms-linear-gradient(#104b63 50%, #1f8dba);
    background: linear-gradient(#104b63 50%, #1f8dba);
    border-radius: 0 0 0.3rem 0.3rem;
    bottom: 1.4rem;
    height: 5rem;
    left: 15rem;
    position: absolute;
    width: 8rem;
  }
  .compartment-two {
    animation: body-upDown 0.3s 0.1s infinite;
    left: 25rem;
  }
  .compartment-two .compartment-window::before {
    animation: up-down 0.3s 0.3s infinite;
  }
  .compartment-three {
    animation: body-upDown 0.3s 0.2s infinite;
    left: 35rem;
  }
  .compartment-three .compartment-window::before {
    animation: up-down 0.35s infinite;
  }
  .compartment::before, .compartment::after {
    background: black;
    border: 0.4rem solid transparent;
    bottom: 0.4rem;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.1);
    content: "";
    height: 0.8rem;
    position: absolute;
    width: 0.9rem;
  }
  .compartment::before {
    border-left: 0.4rem solid rgba(255, 255, 255, 0.3);
    left: -0.9rem;
  }
  .compartment::after {
    border-right: 0.4rem solid rgba(255, 255, 255, 0.3);
    left: -2rem;
  }

  .compartment-window {
    background: #1f8dba;
    background: -moz-linear-gradient(90deg, transparent 0.8rem, skyblue 0.8rem) left/2.4rem 100%;
    background: -webkit-linear-gradient(90deg, transparent 0.8rem, skyblue 0.8rem) left/2.4rem 100%;
    background: -o-linear-gradient(90deg, transparent 0.8rem, skyblue 0.8rem) left/2.4rem 100%;
    background: -ms-linear-gradient(90deg, transparent 0.8rem, skyblue 0.8rem) left/2.4rem 100%;
    background: linear-gradient(90deg, transparent 0.8rem, skyblue 0.8rem) left/2.4rem 100%;
    height: 40%;
    position: absolute;
    top: 0.7rem;
    width: 100%;
  }
  .compartment-window::before, .compartment-window::after {
    content: "";
    position: absolute;
  }
  .compartment-window::before {
    animation: up-down 0.3s 0.1s infinite;
    background: #104b63;
    border-radius: 50% 50% 0 0;
    height: 0.6rem;
    left: 50%;
    top: -1.4rem;
    transform: translate(-50%, 0);
    width: 110%;
  }

  @keyframes up-down {
    0%, 100% {
      transform: translate(-50%, 0);
    }
    50% {
      transform: translate(-50%, -0.3rem);
    }
  }
  @keyframes rotate {
    100% {
      transform: rotate(-360deg);
    }
  }
  @keyframes move-train {
    100% {
      transform: translateX(-154rem);
    }
  }
  @keyframes body-upDown {
    0%, 100% {
      transform: translateY(0);
    }
    100% {
      transform: translateY(-0.2rem);
    }
  }
  @keyframes move-smoke {
    0% {
      -webkit-filter: blur(0);
      -moz-filter: blur(0);
      -o-filter: blur(0);
      -ms-filter: blur(0);
      filter: blur(0);
      opacity: 1;
    }
    50% {
      -webkit-filter: blur(0.2rem);
      -moz-filter: blur(0.2rem);
      -o-filter: blur(0.2rem);
      -ms-filter: blur(0.2rem);
      filter: blur(0.2rem);
      opacity: 0.6;
      transform: translate(0, -3rem) scale(2);
    }
    100% {
      -webkit-filter: blur(0.3rem);
      -moz-filter: blur(0.3rem);
      -o-filter: blur(0.3rem);
      -ms-filter: blur(0.3rem);
      filter: blur(0.3rem);
      opacity: 0;
      transform: translate(2.5rem, -6rem) scale(3);
    }
  }
  .wheel-joint {
    animation: wheel-joint 2s linear infinite;
    background: white;
    border-radius: 0.6rem;
    height: 0.4rem;
    position: absolute;
    right: 0.4rem;
    top: calc(50% - 0.2rem);
    transform-origin: 100% 50%;
    width: 3.6rem;
    z-index: 1;
  }
  .wheel-joint::before, .wheel-joint::after {
    background: #333333;
    border: 0.1rem solid white;
    border-radius: 50%;
    content: "";
    height: 0.8rem;
    position: absolute;
    top: 50%;
    transform: translate(0, -50%);
    width: 0.8rem;
  }
  .wheel-joint::before {
    left: -0.4rem;
  }
  .wheel-joint::after {
    right: -0.4rem;
  }
  .wheel-joint-2 {
    left: 1.8rem;
    right: auto;
    transform: rotate(-15deg);
    transform-origin: 0 50%;
    width: 4.4rem;
  }
  .wheel-joint-2::before {
    height: 1.1rem;
    width: 1.1rem;
  }

  @keyframes wheel-joint {
    100% {
      transform: rotate(360deg);
    }
  }

</style>
